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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "webkit/glue/webclipboard_impl.h" | |
6 | |
7 #include "base/logging.h" | |
8 #include "base/pickle.h" | |
9 #include "base/strings/string_util.h" | |
10 #include "base/strings/utf_string_conversions.h" | |
11 #include "googleurl/src/gurl.h" | |
12 #include "net/base/escape.h" | |
13 #include "third_party/WebKit/public/platform/WebData.h" | |
14 #include "third_party/WebKit/public/platform/WebDragData.h" | |
15 #include "third_party/WebKit/public/platform/WebImage.h" | |
16 #include "third_party/WebKit/public/platform/WebSize.h" | |
17 #include "third_party/WebKit/public/platform/WebString.h" | |
18 #include "third_party/WebKit/public/platform/WebURL.h" | |
19 #include "third_party/WebKit/public/platform/WebVector.h" | |
20 #include "third_party/skia/include/core/SkBitmap.h" | |
21 #include "ui/base/clipboard/clipboard.h" | |
22 #include "ui/base/clipboard/custom_data_helper.h" | |
23 #include "webkit/common/webdropdata.h" | |
24 #include "webkit/glue/scoped_clipboard_writer_glue.h" | |
25 #include "webkit/glue/webkit_glue.h" | |
26 | |
27 using WebKit::WebClipboard; | |
28 using WebKit::WebData; | |
29 using WebKit::WebDragData; | |
30 using WebKit::WebImage; | |
31 using WebKit::WebString; | |
32 using WebKit::WebURL; | |
33 using WebKit::WebVector; | |
34 | |
35 namespace webkit_glue { | |
36 | |
37 // Static | |
38 std::string WebClipboardImpl::URLToMarkup(const WebURL& url, | |
39 const WebString& title) { | |
40 std::string markup("<a href=\""); | |
41 markup.append(url.spec()); | |
42 markup.append("\">"); | |
43 // TODO(darin): HTML escape this | |
44 markup.append(net::EscapeForHTML(UTF16ToUTF8(title))); | |
45 markup.append("</a>"); | |
46 return markup; | |
47 } | |
48 | |
49 // Static | |
50 std::string WebClipboardImpl::URLToImageMarkup(const WebURL& url, | |
51 const WebString& title) { | |
52 std::string markup("<img src=\""); | |
53 markup.append(url.spec()); | |
54 markup.append("\""); | |
55 if (!title.isEmpty()) { | |
56 markup.append(" alt=\""); | |
57 markup.append(net::EscapeForHTML(UTF16ToUTF8(title))); | |
58 markup.append("\""); | |
59 } | |
60 markup.append("/>"); | |
61 return markup; | |
62 } | |
63 | |
64 WebClipboardImpl::WebClipboardImpl(ClipboardClient* client) | |
65 : client_(client) { | |
66 } | |
67 | |
68 WebClipboardImpl::~WebClipboardImpl() { | |
69 } | |
70 | |
71 uint64 WebClipboardImpl::getSequenceNumber() { | |
72 return sequenceNumber(BufferStandard); | |
73 } | |
74 | |
75 uint64 WebClipboardImpl::sequenceNumber(Buffer buffer) { | |
76 ui::Clipboard::Buffer buffer_type; | |
77 if (!ConvertBufferType(buffer, &buffer_type)) | |
78 return 0; | |
79 | |
80 return client_->GetSequenceNumber(buffer_type); | |
81 } | |
82 | |
83 bool WebClipboardImpl::isFormatAvailable(Format format, Buffer buffer) { | |
84 ui::Clipboard::Buffer buffer_type = ui::Clipboard::BUFFER_STANDARD; | |
85 | |
86 if (!ConvertBufferType(buffer, &buffer_type)) | |
87 return false; | |
88 | |
89 switch (format) { | |
90 case FormatPlainText: | |
91 return client_->IsFormatAvailable(ui::Clipboard::GetPlainTextFormatType(), | |
92 buffer_type) || | |
93 client_->IsFormatAvailable(ui::Clipboard::GetPlainTextWFormatType(), | |
94 buffer_type); | |
95 case FormatHTML: | |
96 return client_->IsFormatAvailable(ui::Clipboard::GetHtmlFormatType(), | |
97 buffer_type); | |
98 case FormatSmartPaste: | |
99 return client_->IsFormatAvailable( | |
100 ui::Clipboard::GetWebKitSmartPasteFormatType(), buffer_type); | |
101 case FormatBookmark: | |
102 #if defined(OS_WIN) || defined(OS_MACOSX) | |
103 return client_->IsFormatAvailable(ui::Clipboard::GetUrlWFormatType(), | |
104 buffer_type); | |
105 #endif | |
106 default: | |
107 NOTREACHED(); | |
108 } | |
109 | |
110 return false; | |
111 } | |
112 | |
113 WebVector<WebString> WebClipboardImpl::readAvailableTypes( | |
114 Buffer buffer, bool* contains_filenames) { | |
115 ui::Clipboard::Buffer buffer_type; | |
116 std::vector<base::string16> types; | |
117 if (ConvertBufferType(buffer, &buffer_type)) { | |
118 client_->ReadAvailableTypes(buffer_type, &types, contains_filenames); | |
119 } | |
120 return types; | |
121 } | |
122 | |
123 WebString WebClipboardImpl::readPlainText(Buffer buffer) { | |
124 ui::Clipboard::Buffer buffer_type; | |
125 if (!ConvertBufferType(buffer, &buffer_type)) | |
126 return WebString(); | |
127 | |
128 if (client_->IsFormatAvailable(ui::Clipboard::GetPlainTextWFormatType(), | |
129 buffer_type)) { | |
130 base::string16 text; | |
131 client_->ReadText(buffer_type, &text); | |
132 if (!text.empty()) | |
133 return text; | |
134 } | |
135 | |
136 if (client_->IsFormatAvailable(ui::Clipboard::GetPlainTextFormatType(), | |
137 buffer_type)) { | |
138 std::string text; | |
139 client_->ReadAsciiText(buffer_type, &text); | |
140 if (!text.empty()) | |
141 return ASCIIToUTF16(text); | |
142 } | |
143 | |
144 return WebString(); | |
145 } | |
146 | |
147 WebString WebClipboardImpl::readHTML(Buffer buffer, WebURL* source_url, | |
148 unsigned* fragment_start, | |
149 unsigned* fragment_end) { | |
150 ui::Clipboard::Buffer buffer_type; | |
151 if (!ConvertBufferType(buffer, &buffer_type)) | |
152 return WebString(); | |
153 | |
154 base::string16 html_stdstr; | |
155 GURL gurl; | |
156 client_->ReadHTML(buffer_type, &html_stdstr, &gurl, | |
157 static_cast<uint32*>(fragment_start), | |
158 static_cast<uint32*>(fragment_end)); | |
159 *source_url = gurl; | |
160 return html_stdstr; | |
161 } | |
162 | |
163 WebData WebClipboardImpl::readImage(Buffer buffer) { | |
164 ui::Clipboard::Buffer buffer_type; | |
165 if (!ConvertBufferType(buffer, &buffer_type)) | |
166 return WebData(); | |
167 | |
168 std::string png_data; | |
169 client_->ReadImage(buffer_type, &png_data); | |
170 return WebData(png_data); | |
171 } | |
172 | |
173 WebString WebClipboardImpl::readCustomData(Buffer buffer, | |
174 const WebString& type) { | |
175 ui::Clipboard::Buffer buffer_type; | |
176 if (!ConvertBufferType(buffer, &buffer_type)) | |
177 return WebString(); | |
178 | |
179 base::string16 data; | |
180 client_->ReadCustomData(buffer_type, type, &data); | |
181 return data; | |
182 } | |
183 | |
184 void WebClipboardImpl::writeHTML( | |
185 const WebString& html_text, const WebURL& source_url, | |
186 const WebString& plain_text, bool write_smart_paste) { | |
187 ScopedClipboardWriterGlue scw(client_); | |
188 scw.WriteHTML(html_text, source_url.spec()); | |
189 scw.WriteText(plain_text); | |
190 | |
191 if (write_smart_paste) | |
192 scw.WriteWebSmartPaste(); | |
193 } | |
194 | |
195 void WebClipboardImpl::writePlainText(const WebString& plain_text) { | |
196 ScopedClipboardWriterGlue scw(client_); | |
197 scw.WriteText(plain_text); | |
198 } | |
199 | |
200 void WebClipboardImpl::writeURL(const WebURL& url, const WebString& title) { | |
201 ScopedClipboardWriterGlue scw(client_); | |
202 | |
203 scw.WriteBookmark(title, url.spec()); | |
204 scw.WriteHTML(UTF8ToUTF16(URLToMarkup(url, title)), std::string()); | |
205 scw.WriteText(UTF8ToUTF16(std::string(url.spec()))); | |
206 } | |
207 | |
208 void WebClipboardImpl::writeImage( | |
209 const WebImage& image, const WebURL& url, const WebString& title) { | |
210 ScopedClipboardWriterGlue scw(client_); | |
211 | |
212 if (!image.isNull()) { | |
213 const SkBitmap& bitmap = image.getSkBitmap(); | |
214 SkAutoLockPixels locked(bitmap); | |
215 scw.WriteBitmapFromPixels(bitmap.getPixels(), image.size()); | |
216 } | |
217 | |
218 if (!url.isEmpty()) { | |
219 scw.WriteBookmark(title, url.spec()); | |
220 #if !defined(OS_MACOSX) | |
221 // When writing the image, we also write the image markup so that pasting | |
222 // into rich text editors, such as Gmail, reveals the image. We also don't | |
223 // want to call writeText(), since some applications (WordPad) don't pick | |
224 // the image if there is also a text format on the clipboard. | |
225 // We also don't want to write HTML on a Mac, since Mail.app prefers to use | |
226 // the image markup over attaching the actual image. See | |
227 // http://crbug.com/33016 for details. | |
228 scw.WriteHTML(UTF8ToUTF16(URLToImageMarkup(url, title)), std::string()); | |
229 #endif | |
230 } | |
231 } | |
232 | |
233 void WebClipboardImpl::writeDataObject(const WebDragData& data) { | |
234 ScopedClipboardWriterGlue scw(client_); | |
235 | |
236 WebDropData data_object(data); | |
237 // TODO(dcheng): Properly support text/uri-list here. | |
238 if (!data_object.text.is_null()) | |
239 scw.WriteText(data_object.text.string()); | |
240 if (!data_object.html.is_null()) | |
241 scw.WriteHTML(data_object.html.string(), std::string()); | |
242 // If there is no custom data, avoid calling WritePickledData. This ensures | |
243 // that ScopedClipboardWriterGlue's dtor remains a no-op if the page didn't | |
244 // modify the DataTransfer object, which is important to avoid stomping on | |
245 // any clipboard contents written by extension functions such as | |
246 // chrome.bookmarkManagerPrivate.copy. | |
247 if (!data_object.custom_data.empty()) { | |
248 Pickle pickle; | |
249 ui::WriteCustomDataToPickle(data_object.custom_data, &pickle); | |
250 scw.WritePickledData(pickle, ui::Clipboard::GetWebCustomDataFormatType()); | |
251 } | |
252 } | |
253 | |
254 bool WebClipboardImpl::ConvertBufferType(Buffer buffer, | |
255 ui::Clipboard::Buffer* result) { | |
256 switch (buffer) { | |
257 case BufferStandard: | |
258 *result = ui::Clipboard::BUFFER_STANDARD; | |
259 break; | |
260 case BufferSelection: | |
261 #if defined(USE_X11) | |
262 #if defined(OS_CHROMEOS) | |
263 // Chrome OS only supports the standard clipboard, | |
264 // but not the X selection clipboad. | |
265 return false; | |
266 #else | |
267 *result = ui::Clipboard::BUFFER_SELECTION; | |
268 break; | |
269 #endif | |
270 #endif | |
271 default: | |
272 NOTREACHED(); | |
273 return false; | |
274 } | |
275 return true; | |
276 } | |
277 | |
278 } // namespace webkit_glue | |
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